| Villanueva de la Serena to Smolyan | 1,609.49 mi (2,590.22 km) |
| Villanueva de la Serena to Sofia | 1,536.65 mi (2,473.00 km) |
| Villanueva de la Serena to Sopot | 1,608.82 mi (2,589.15 km) |
| Villanueva de la Serena to Sozopol | 1,759.56 mi (2,831.74 km) |
| Villanueva de la Serena to Sredets | 1,734.37 mi (2,791.20 km) |
| Villanueva de la Serena to Stamboliyski | 1,598.90 mi (2,573.19 km) |
| Villanueva de la Serena to Stara Zagora | 1,655.09 mi (2,663.61 km) |
| Villanueva de la Serena to Svilengrad | 1,685.85 mi (2,713.11 km) |
| Villanueva de la Serena to Svishtov | 1,638.64 mi (2,637.14 km) |
| Villanueva de la Serena to Targovishte | 1,700.65 mi (2,736.93 km) |
| Villanueva de la Serena to Teteven | 1,584.05 mi (2,549.29 km) |
| Villanueva de la Serena to Troyan | 1,606.85 mi (2,585.97 km) |
| Villanueva de la Serena to Tryavna | 1,646.52 mi (2,649.83 km) |
| Villanueva de la Serena to Tutrakan | 1,702.07 mi (2,739.21 km) |
| Villanueva de la Serena to Varna | 1,767.81 mi (2,845.02 km) |
